package com.xzh.seckill.utils;

import org.apache.commons.codec.digest.DigestUtils;
import org.springframework.stereotype.Component;

@Component
public class MD5Util {
    public static String md5(String src)
    {
        return DigestUtils.md5Hex(src);
    }
    public static final String salt = "1a2b3c4d";
    public static String inputPassToFromPass(String inputPass)
    {
        String str = ""+salt.charAt(0)+salt.charAt(2)+inputPass+salt.charAt(5)+salt.charAt(4);
        return md5(str);
    }
    public static String fromPassToDBPass(String from,String salt)
    {
        String str = ""+salt.charAt(0)+salt.charAt(2)+from+salt.charAt(5)+salt.charAt(4);
        return md5(str);
    }
    public static String inputPassToDBPass(String input,String salt)
    {
        String fromPass = inputPassToFromPass(input);
        String DBPass = fromPassToDBPass(fromPass, salt);
        return DBPass;
    }

    //测试
    public static void main(String[] args) {
        //d3b1294a61a07da9b49b6e22b2cbd7f9
        System.out.println(inputPassToFromPass("123456"));
        //b7797cce01b4b131b433b6acf4add449
        System.out.println(fromPassToDBPass("d3b1294a61a07da9b49b6e22b2cbd7f9","1a2b3c4d"));
        System.out.println(inputPassToDBPass("123456","1a2b3c4d"));
    }
}
